Clamp Current Sensor (30 A max)
SKU 7300-THM104CEAN 8219671059046Item type: AssembledSensors
Description
The clamp amperometric sensor is a highly precise and reliable device that allows measuring alternating currents without having to interrupt the cable to measure the absorbed current. Thanks to its voltage output function proportional to the detected current, it is possible to obtain an accurate current reading without having to use additional measuring instruments.
The clamp amperometric sensor is an excellent solution for those who need precise measurement of alternating currents for industrial or domestic applications.
To view an application example, refer to the diagram below, which shows an alarm for exceeding the set current threshold.
Electrical Diagram

Component List
- R1: 4.7 kohm โ R2: 4.7 kohm โ R3: 100 kohm โ R4: 4.7 kohm โ R5: 4.7 kohm โ R6: 100 kohm Trimmer MO โ R7: 4.7 kohm โ R8: 4.7 kohm โ R9: 4.7 kohm โ R10: 470 ohm โ R11: 470 ohm โ C1: 100 ยตF 16 VL electrolytic โ C2: 100 ยตF 16 VL electrolytic โ C3: 100 nF multilayer โ C4: 100 ยตF 16 VL electrolytic โ LD1: 3 mm yellow LED โ D1: 1N4148 โ ZD1: Zener 3.6V 400mW โ T1: BC547 โ U1: LM324 โ IN: 3.5 mm jack socket from CS โ SW1: Slide switch 90ยฐ from CS
- Misc: 2-pole terminal block pitch 5.08 mm โ 7+7 socket โ 6 mm screw 3 MA (3 pcs.) โ 9V battery holder (BH9V) โ Printed circuit board









